Re: [UPDATED] A GUC variable to replace PGBE_ACTIVITY_SIZE
Tom Lane <[email protected]>
| Newsgroups | gmane.comp.db.postgresql.devel.patches |
|---|---|
| Message-ID | <[email protected]> |
"Heikki Linnakangas" <[email protected]> writes: > Tom Lane wrote: >> Huh? How could we be assigning to a slot that is not in use? > Before the patch, we loop through the shared PgBackendStatus slots > (there is MaxBackends of them), and issue a memcpy for each to copy it > to our local slot. After that, we check if it was actually in use. > After the patch, we still loop through the shared slots, but only issue > the memcpy for slots that are in use. Oh, you're talking about *fetching* the slot contents, not *assigning* to them. Sorry, probably should have read the patch instead of just reacting to the comment ... regards, tom lane -- Sent via pgsql-patches mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-patches